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Tag: "deadly" at biology news

Jump-starting T Cells In Skin Cancer

Advanced melanoma, the most deadly form of skin cancer, can be successfully treated in some cases by vaccinating patients with tumor proteins. How these vaccines work and why they are only effective in some patients remains unclear. Pierre Coulie and colleagues now show, in two articl...

Columbia research lifts major hurdle to gene therapy for cancer

...he protein wereconnected to each other so that the deadly protein is only unleashedinside cancer cells when the switch is flipped on by PEA-3 or AP-1.When added to a mix of normal and prostrate cancer cells, the virusentered both but only produced the toxic protein inside the cancercells. All the prostrate ...

Genome of deadly amoeba shows surprising complexity, evidence of lateral gene transfer

...ostic tests that can distinguish the amoeba's most deadly strains. The parasite infects an estimated 50 mill...ew diagnostic tests that help distinguish the most deadly substrains of the parasite." Dr. Alok Bhattacharya, a collaborator at the School of Life Sciences a...

Study Links Ebola Outbreaks To Animal Carcasses

...sitive results, and found direct links between the deadly disease in animal populations and humans. "This r...es from illegal hunting and to protect humans from deadly outbreaks." The paper provides definitive proof for the assumption that Ebola moves from wildlife p...

Scientists seek answers on what activates deadly anthrax spores

... to find what activates the spores in anthrax, the deadly bacterial infection that is back in the news. "A key aspect of anthrax spore biology concerns the germination process through which the dormant spore becomes a reproductive, disease-causing bacterium," explained Al Claiborne, Ph.D., the principal in...

U of M researcher examines newly emerging deadly disease

...nals about the symptoms and treatments of this new deadly disease," said Patrick Schlievert, Ph.D., professor of microbiology at the University of Minnesota Medical School. "We are continuing to study and monitor cases of purpura fulminans to better understand the causes and best treatment options." On the...

Novel Therapy Tested in Mice Could Chase Away Cat Allergies

...sing this approach to develop therapies to prevent deadly food allergy reactions as well,?says NIAID Director Anthony S. Fauci, M.D. The injectable treatment puts a brake on the release of a key chemical from cells involved in cat allergy reactions. That chemical, histamine, brings on allergy symptoms such...

Spider Venom Could Yield Eco-Friendly Insecticides

...) -- a large Australian spider with a bite that is deadly to humans and insects -- is an ideal source of venom for King's research. The spider "cooperates" by rearing up in a fighting stance when provoked, making it relatively easy for researchers to aspirate venom directly from its fangs. Since Australian ...

Taking Aim With Nanoparticle PEBBLEs

... visibility on MRI images, and others to deliver a deadly cargo to cancer cells when triggered by exposure to light. Unlike chemotherapy drugs that attack tumors by invading cancer cells and disrupting their DNA, PEBBLEs never enter the cells they target. Instead, they attach to the outside of the targeted...

Researchers discover molecule that causes secondary stroke

...College of Medicine have discovered the cause of a deadly type of secondary stroke known as cerebral vasospasm. A constriction of the blood vessels in the brain, cerebral vasospasm usually occurs three to 10 days following a massive brain bleed known as hemorrhagic stroke. Sixty percent of patients who sur...

Study shows nanoshells ideal as chemical nanosensors

... from a drug molecule or a keydisease protein to a deadly chemical agent."About 1/20th the size of a red blo...ll amounts of amaterial, like a few molecules of a deadly biological or chemicalagent....

NIAID Initiates Trial of Experimental Avian Flu Vaccine

... research on H5N1, the strain responsible for this deadly form of avian influenza, since 1997 when the first cases in humans were reported. The initiation of this vaccine trial marks a key advance in our efforts to prepare to respond to an avian flu pandemic,?adds Dr. Fauci. Sanofi pasteur, Swiftwater, PA,...

A frog's life is food for thought

Starvation, malnutrition and re-feeding can have deadly consequences for humans and most animals but not Australia's green-striped burrowing frog. PhD student Rebecca Cramp from The University of Queensland has found that unlike most animals, which can't digest food after long periods of starvation, the ...

WHO Warns Of Increased Risk Of Vector-borne Diseases In Tsunami-affected Areas

...e a doctor at once. Dengue haemorrhagic fever is a deadly disease and early recognition and treatment can save lives. Unless proper treatment is given promptly, the patient may go into shock and die. * Severe abdominal pains (black stools), bleeding on the skin or from the nose or gums, sweating, cold s...

Newly discovered pathway might help in design of cancer drugs

...eate a very damaged form of DNA that is often more deadly to the cell than other types of damage," said Greenberg. "That's how many anti-tumor medications -- medications such as mitomycin c -- work: They kill off tumors by linking up with the cancer cells' DNA and sticking its genetic code together so it di...

To control germs, scientists deploy tiny agents provocateurs

...cing layers on implanted medical devices and cause deadly lung infections in cystic fibrosis patients. Biofilms have long baffled researchers because of their stupefying capacity to behave like a "super-organism" that vetoes the normal characteristics of a bacterial cell in favor of new group behaviors. "It...

Discovery may lead to better Candidiasis drug

...at in persons with compromised immunity and can be deadly if it infects vital organs. Researchers were aware that histatin usually can keep Candida albicans in check in persons with enough saliva and a healthy immune system, but they did not know precisely how histatin accomplished this. "There are many t...

Biologists discover why 10% of Europeans are safe from HIV

...R5-delta32 mutation to its protection from another deadly viral disease, acting over a sustained period in bygone historic times. Some scientists have suggested this disease could have been smallpox or even bubonic plague but bubonic plague is a bacterial disease rather than a virus and is not blocked by t...

First North American Encapsulated Islet Transplant without Long-term Immune Suppression into a Patient with Type 1 Diabetes

...R5-delta32 mutation to its protection from another deadly viral disease, acting over a sustained period in bygone historic times. Some scientists have suggested this disease could have been smallpox or even bubonic plague but bubonic plague is a bacterial disease rather than a virus and is not blocked by t...

Live vaccines more effective against horse herpes virus

Following the recent deadly outbreak of equine herpes virus at Churchill Downs, home of the Kentucky Derby, a Cornell University virologist says his preliminary research indicates that vaccines containing weakened live viruses, called modified live vaccines (MLV), appear to be ...

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